It is often said that drivers use steering torque at high speed and the steering angle at low speed as the principal inputs for steering their vehicles. To the best of our knowledge, these notions are only hypotheses, as research on the driver-vehicle system in this area is still in its infancy.This paper describes a new algorithm of an electric power assistant steering system control. A problem found in a vehicle with ordinary steering and the reason why it occurs physically is clarified. It is apparent at low damping of the transfer function of steering angle / steering torque at high speed. This is derived from interference between the steering system and vehicle system. We strictly solved the controller using a simple model, and then in order to maintain the stability of the controller, we approximated a strict solution as a simple controller that is described as a first order non-minimum phase transfer function. Lastly, we validate our result of analysis thorugh a driving test conducted with an actual vehicle.


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    Titel :

    An investigation on the effect of transient assistant torque input on steering effort


    Weitere Titelangaben:

    Eine Untersuchung der Wirkung einer transienten Drehmoment-Unterstützung auf den Kraftaufwand beim Lenken


    Beteiligte:
    Mouri, Hiroshi (Autor:in) / Kubota, Masahiro (Autor:in) / Horiguchi, Nami (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2006


    Format / Umfang :

    7 Seiten, 16 Bilder, 6 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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